41605705421 has 24 divisors (see below), whose sum is σ = 49701738240. Its totient is φ = 34714461600.

The previous prime is 41605705403. The next prime is 41605705433. The reversal of 41605705421 is 12450750614.

It is not a de Polignac number, because 41605705421 - 2⁶ = 41605705357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41605705451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 199151 + ... + 350531.

It is an arithmetic number, because the mean of its divisors is an integer number (2070905760).

Almost surely, 2^41605705421 is an apocalyptic number.

It is an amenable number.

41605705421 is a deficient number, since it is larger than the sum of its proper divisors (8096032819).

41605705421 is a wasteful number, since it uses less digits than its factorization.

41605705421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151545 (or 151538 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The spelling of 41605705421 in words is "forty-one billion, six hundred five million, seven hundred five thousand, four hundred twenty-one".